There is a peaceful and calm _____ in the country, quite different from that of a big city.
| A．climate | B．atmosphere | C．system | D．situation |
What a pity! Considering his ability and experience, he ________ better.
| A．need have done | B．must have done |
| C．can have done | D．might have done |
—David, the windows of the room are very dirty. ________ I clean them before we move in?
—Of course.
| A．Will | B．Would |
| C．Shall | D．Do |
—Where is the post office?
—It's just over there, at the end of the street. You ________ not miss it.
| A．can | B．must |
| C．may | D．should |
—Can you keep the secret?
—You ________ worry — I'm not going to mention it to anyone.
| A．needn't | B．couldn't |
| C．mustn't | D．won't |
—May I use your dictionary? I need to look up a word.
—It's over there.________.
| A．My pleasure | B．Got it |
| C．Feel free | D．No problem |